var refr=escape(document.referrer); /* get the http referer and encode it */ var dom=location.hostname; /* get the host domain */ var stURL="http://eu.link.decdna.net/n/27423/27425/www.bruntwood.co.uk/434f86f2002503000000000600000000116a7a690000000000000000000000000000000100/i/c?0&1pixgif&referer=" + refr; if ( (refr && refr.search(dom) == -1) && (location.href.toUpperCase().indexOf("247SEO=N") == -1) ) /* if the referrer is external preload the image request and does not contain 247SEO argument = "N" */ { imageTR = new Image(); imageTR.src = stURL; }